How do you solve the quadratic x^2+3x=0 using any method?

1 Answer
Aug 9, 2016

x=0 or x=-3

Explanation:

The general rule for solving a quadratic equation is to make it equal to 0 and factorise if possible.

Exactly this method can apply here.

x^2 + 3x =0 " common factor of "x

color(red)xcolor(blue)((x+3))=0

If the product of two or more factors is 0, then at least one of them is equal to 0.

color(red)x = 0, or color(blue)(x+3) = 0 " "rArr x= -3